JP6663158B2 - Cheese for compressed air branching - Google Patents
Cheese for compressed air branching Download PDFInfo
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- JP6663158B2 JP6663158B2 JP2014113067A JP2014113067A JP6663158B2 JP 6663158 B2 JP6663158 B2 JP 6663158B2 JP 2014113067 A JP2014113067 A JP 2014113067A JP 2014113067 A JP2014113067 A JP 2014113067A JP 6663158 B2 JP6663158 B2 JP 6663158B2
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- air
- cheese
- compressed air
- flow path
- branch portion
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
- F16L41/16—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe the branch pipe comprising fluid cut-off means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Description
この発明は、圧縮エアを対象流体とするエア配管に適用する分岐用チーズに関するものである。 The present invention relates to a branching cheese applied to air piping using compressed air as a target fluid.
非特許文献１には、エアガン等のエア工具に圧縮エアを分配するエア配管が開示されている。 Non-Patent Document 1 discloses an air pipe that distributes compressed air to an air tool such as an air gun.
エア配管は、管路の任意箇所を分岐して、この分岐部にエアガン等のエア工具を接続するが、圧縮エアには結露等で生じた水分が含まれており、これが圧縮エアと共にエア工具に流出すると、エア工具が故障したりワークに悪影響を及ぼす。 The air pipe branches at an arbitrary point in the pipeline and connects an air tool such as an air gun to this branch. The compressed air contains moisture generated by dew condensation etc. If it leaks into the air tool, the air tool will break down or adversely affect the work.
特に、エア配管を水平に敷設した場合、水分は管内の底側を流れる傾向にあることから、従来は、短い鋼管を継ぎ足して、エア工具を接続する分岐部に立ち上げ配管を構成していたが、継手の数が多くなる分、施工に手間やコストがかかり、また接続不良によるエア漏出の機会も多くなる。 In particular, when air pipes are laid horizontally, water tends to flow on the bottom side of the pipes.Conventionally, short steel pipes were added to each other to form a start-up pipe at the branch point where the air tool was connected. However, as the number of joints increases, labor and cost are required for construction, and opportunities for air leakage due to poor connection also increase.
この点に関して、非特許文献１のエア配管では、管壁に横穴を開け、専用のブラケットにより前記横穴を通じて圧縮エアを取り出すようにして、エア工具側の圧縮エアに水分が混入することを防止している。しかし、管壁に横穴を設けると管の剛性が低下し、エア工具の重量や使用時の引張荷重によって管が折曲破損するおそれがある。 In this regard, in the air piping of Non-Patent Document 1, a side hole is made in the tube wall, and compressed air is taken out through the side hole by a special bracket, thereby preventing moisture from being mixed into the compressed air on the air tool side. ing. However, if a lateral hole is provided in the tube wall, the rigidity of the tube is reduced, and the tube may be bent and damaged by the weight of the air tool or a tensile load during use.
本発明は上述した課題を解決するためになされたもので、その目的とするところは、管の剛性を低下させることなく、圧縮エアに含まれる水分が分岐側（エア工具側）に流出することを防止することができる圧縮エア分岐用チーズを提供することである。 The present invention has been made to solve the above-described problem, and an object of the present invention is to prevent water contained in compressed air from flowing out to a branch side (air tool side) without reducing the rigidity of a pipe. The present invention provides a compressed air branching cheese that can prevent the occurrence of bleeding.
上述した目的を達成するために本発明では、一次側及び二次側に管継手を設けると共に、当該継手間の流路を分岐して圧縮エアを分配する分岐部を設けたチーズであって、前記流路の内部に前記分岐部側から同軸上に前記流路途中まで突出するエア流入部を設けるという手段を用いた。この手段によれば、本発明のチーズを分岐部を下向きにしてエア配管に取り付けた場合、エア流入部がチーズ内で立ち上がっているので、圧縮エアに含まれる水分が分岐部側に流入することを防止することができる。即ち、圧縮エアに含まれる水分はエア流入部に衝突して、その下に溜まることで、圧縮エアだけを分岐部から取り出すことができる。 In order to achieve the above-described object, the present invention provides a pipe joint on the primary side and the secondary side, and a cheese provided with a branch portion for branching a flow path between the joints and distributing compressed air, A means was used in which an air inflow portion protruding coaxially from the branch portion side to the middle of the flow channel was provided inside the flow channel. According to this means, when the cheese of the present invention is attached to the air pipe with the branch part facing downward, since the air inflow part rises in the cheese, the moisture contained in the compressed air flows into the branch part side. Can be prevented. That is, the moisture contained in the compressed air collides with the air inflow portion and accumulates below the air inflow portion, so that only the compressed air can be taken out from the branch portion.
エア流入部の形状や、どれだけの突出量（立ち上がり高さ）とするかは自由であり、突出量が大きいほうが水分の流入防止効果が高いのであるが、大きすぎると管継手間の流路を塞ぐ量も大きくなり、圧縮エアの圧力損失が大きくなる。したがって、エア流入部の突出量は、その上面が分岐部寄りに前記流路の中心よりも若干下方に位置する程度とすることが好ましい。 The shape of the air inflow section and the amount of protrusion (rise height) are freely determined. The greater the amount of protrusion, the higher the effect of preventing moisture inflow. And the pressure loss of the compressed air increases. Therefore, it is preferable that the amount of protrusion of the air inflow portion is such that its upper surface is located slightly below the center of the flow path near the branch portion.
また、エア流入部の形状は円筒状とすることが好ましい。エア流入部を円筒状に形成することで、その左右に継手間流路に通じる隙間が形成され、この隙間を通じてエア流入部の手前（一次側）に溜まった水を圧縮エアの流圧によって二次側へと飛散させることができるからである。つまり、水分を堰き止めるだけでは、やがて水位がエア流入部を超えて分岐部側に流入するおそれがあるが、エア流入部を円筒状として、その左右に水の飛散通路を確保することで、このようなおそれを解消する。 Preferably, the shape of the air inflow portion is cylindrical. By forming the air inflow portion into a cylindrical shape, a gap is formed on the left and right of the air inflow portion, and water collected in front of the air inflow portion (primary side) is removed by the flow pressure of the compressed air through the gap. This is because it can be scattered to the next side. In other words, just blocking the moisture may eventually cause the water level to flow over the air inflow portion and into the branch portion side.However, by making the air inflow portion a cylindrical shape and securing water scattering passages on the left and right sides, Such a fear is eliminated.
さらに、本発明のチーズは、前記分岐部とは反対側外面に吊下部を設けることが好ましい。この手段により、天井に沿って敷設したエア配管に本発明チーズを取り付け、その分岐部にエア工具を接続したとき、エア工具は当該チーズを介して天井に吊持されることになるため、エア工具の重量や使用時の引張荷重によってエア配管そのものが曲がったり、傾いたりすることがない。 Further, in the cheese of the present invention, it is preferable to provide a hanging portion on the outer surface on the side opposite to the branch portion. By this means, when the cheese of the present invention is attached to an air pipe laid along the ceiling and an air tool is connected to a branch portion thereof, the air tool is hung on the ceiling via the cheese, so that air The air pipe itself does not bend or tilt due to the weight of the tool or the tensile load during use.
さらにまた、本発明のチーズは、分岐部に開閉弁を一体的に設けたものであることが好ましい。分岐部に対してエア工具を別のものに付け替えたりするときなどに、エア出力を調整したり一時中断できるからである。 Furthermore, it is preferable that the cheese of the present invention has an on-off valve integrally provided at a branch portion. This is because the air output can be adjusted or temporarily interrupted when the air tool is replaced with another one for the branch portion.
本発明によれば、分岐部と同軸上に内部に突出する円筒部を設けているため、圧縮エアに含まれる水分は円筒部を迂回するように流れ、該水分が分岐部から流出することを防止することができる。 According to the present invention, since the cylindrical portion that protrudes inward on the same axis as the branch portion is provided, the water contained in the compressed air flows so as to bypass the cylindrical portion, and the water flows out of the branch portion. Can be prevented.
以下、本発明の好ましい実施の形態を添付した図面に従って説明する。図１は、本発明の一実施形態に係るチーズをエア配管に適用したエア配管全体を示したもので、主幹エア管１にループ配管２・３を並列に接続してエア配管を構成している。主幹エア管１はコンプレッサ等（図示せず）をエア源として、ループ配管２・３それぞれにゲートバルブを介して圧縮エア（圧縮空気）を供給している。ループ配管２・３は数本の管部材をエルボによって無端ループ状に接続したものを、天井に沿って水平に吊下している。４・・４はループ配管２・３を天井に吊下する吊バンドである。 Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 shows an entire air pipe in which the cheese according to one embodiment of the present invention is applied to an air pipe. The air pipe is configured by connecting loop pipes 2 and 3 to a main air pipe 1 in parallel. I have. The main air pipe 1 uses a compressor or the like (not shown) as an air source to supply compressed air (compressed air) to each of the loop pipes 2 and 3 via a gate valve. The loop pipes 2 and 3 have several pipe members connected in an endless loop by an elbow, and are suspended horizontally along the ceiling. Reference numeral 4 denotes a suspension band for suspending the loop pipes 2 and 3 from the ceiling.
ループ配管２・３の管路中にはエア工具５・・・５を取り付けおり、本実施形態ではエア工具５・・５としてワーク清掃用のエアガンを例示している。エア工具５・・・５はコイル型のエアホース６を介してループ配管２・３に吊り下げた状態で取り付けている。そして、エアホース６の一次側はエア出力用のチーズ７（本発明のチーズ）に接続している。 Air tools 5... 5 are mounted in the pipes of the loop pipes 2 and 3, and in this embodiment, an air gun for cleaning a work is exemplified as the air tools 5. The pneumatic tools 5... 5 are attached to the loop pipes 2 and 3 via a coil-type air hose 6 in a suspended state. The primary side of the air hose 6 is connected to a cheese 7 for air output (the cheese of the present invention).
このエア出力用チーズ７は、図２に示すように、エアホース６を接続する分岐部７ａを下向きにしてループ配管２・３に取り付けるが、本発明では、分岐部７ａと反対側外面に天井への吊下部（ブラケット部）７ｂを設けている。この吊下部７ｂによってチーズ７を天井に吊持することで、エア工具５の重量や使用時の引張荷重は天井に分散し、ループ配管２・３に直接作用しないようにしている。 As shown in FIG. 2, the air output cheese 7 is attached to the loop pipes 2 and 3 with the branch portion 7 a connecting the air hose 6 facing downward, but in the present invention, the ceiling is provided on the outer surface opposite to the branch portion 7 a. (A bracket part) 7b is provided. By suspending the cheese 7 on the ceiling by the hanging portion 7b, the weight of the air tool 5 and the tensile load during use are dispersed on the ceiling, so that the air tool 5 does not directly act on the loop pipes 2 and 3.
さらに、この実施形態において、吊下部７ｂは図３に明らかなように、鉛直方向上向きに突出する板状片に、厚み方向に貫通する貫通孔を設けて、これを天井から垂下した上下に長い板状の吊持金具にボルト・ナットにより固定可能な構造としている。つまり、吊下部７ｂを天井からの吊持金具と互いの板面を重ね合わせてボルト・ナットにより固定することができるようにしている。したがって、使用時の引張荷重に対してねじれが発生することを防止できる。 Further, in this embodiment, as shown in FIG. 3, the hanging part 7b is provided with a through hole penetrating in the thickness direction in a plate-like piece projecting vertically upward, and extending vertically from the ceiling. It has a structure that can be fixed to a plate-shaped hanging bracket with bolts and nuts. In other words, the hanging portion 7b can be fixed with the bolts and nuts by overlapping the hanging metal fittings from the ceiling with the respective plate surfaces. Therefore, it is possible to prevent the occurrence of torsion with respect to the tensile load during use.
また、エア出力用チーズ７は、内部構造として分岐部７ａから同軸上に流路途中まで円筒部７ｃ（本発明のエア流入部）を突設している。円筒部７ｃは上面が開口しており、この開口から圧縮エアを分岐部７ａに分岐する。本実施形態では、一次側と二次側を結ぶ直線状の流路（図面上、左右に水平な流路）の中心よりも若干下方に上面が位置するように円筒部７ｃを突設している。 The air output cheese 7 has a cylindrical portion 7c (air inflow portion of the present invention) projecting coaxially from the branch portion 7a to the middle of the flow path as an internal structure. The upper surface of the cylindrical portion 7c is open, and the compressed air branches from the opening to the branch portion 7a. In the present embodiment, the cylindrical portion 7c is provided so as to protrude such that the upper surface is located slightly below the center of a linear flow path (a horizontal flow path in the drawing) connecting the primary side and the secondary side. I have.
この構成により、圧縮エア中に含まれる水分Ｗは円筒部７ｃに衝突し、円筒部７ｃの上面開口への侵入が阻止されている。したがって、エア工具５に水分が流出することは防止される。 With this configuration, the water W contained in the compressed air collides with the cylindrical portion 7c and is prevented from entering the upper opening of the cylindrical portion 7c. Therefore, the outflow of moisture to the air tool 5 is prevented.
また、図３に示すように、円筒部７ｃの左右には水Ｗの通路７ｄ（Ｖ字状の隙間）が形成されている。このため、円筒部７ｃによって堰き止められた水Ｗは、その水位が円筒部７ｃと同じ高さになる前に、前記通路７ｄによって円筒部７ｃを回り込むように圧縮エアと共に二次側に飛散していく。 Further, as shown in FIG. 3, a passage 7d (V-shaped gap) for water W is formed on the left and right sides of the cylindrical portion 7c. Therefore, before the water level blocked by the cylindrical portion 7c reaches the same height as the cylindrical portion 7c, the water W scatters to the secondary side together with the compressed air so as to go around the cylindrical portion 7c by the passage 7d. To go.
さらに、分岐部７ａが鉛直方向を向いておらず傾いていると、円筒部７ｃに堰き止められた水Ｗが分岐部７ａに流入しやすくなるが、この実施形態では、吊下部７ｂを上述のような構造とし、天井からの吊持金具と面合わせで固定することで、分岐部７ａを常に真下（鉛直方向）に向けて取り付けられるから、このような不都合が生じない。 Further, when the branch portion 7a is not oriented in the vertical direction and is inclined, the water W dammed by the cylindrical portion 7c easily flows into the branch portion 7a. In this embodiment, the suspension portion 7b is By adopting such a structure and fixing it in a state in which it is fixed to the hanging bracket from the ceiling, the branch portion 7a can be always mounted directly downward (in the vertical direction), so that such inconvenience does not occur.
なお、エア出力用チーズ７は、分岐部７ａに開閉弁（図示せず）を一体的に設けることができる。この開閉弁によって分岐部７ａからのエア出力を開閉制御できる。したがって、エア工具５を別のものに付け替えるときに、開閉弁を閉操作することで、エア出力を調整したり一次停止することができる。 Note that the air output cheese 7 can be provided with an on-off valve (not shown) integrally with the branch portion 7a. The open / close valve can control the opening / closing of the air output from the branch portion 7a. Therefore, when replacing the air tool 5 with another one, the air output can be adjusted or temporarily stopped by closing the on-off valve.
さらに、チーズ７の一次側と二次側の管継手はエア配管を接続できるものであれば構成を限定しないが、管表面が樹脂層により形成されているエア配管の場合は、袋ナットの締め込みによりチャックリングを縮径し、もって接続配管の抜けを防止するメカニカル継手を採用することが好ましく、さらにはワンタッチ継手により管継手を構成することが作業面からより好ましいものである。 Furthermore, the primary and secondary pipe joints of the cheese 7 are not limited in configuration as long as they can connect an air pipe. In the case of an air pipe in which the pipe surface is formed of a resin layer, the cap nut is tightened. It is preferable to employ a mechanical joint that reduces the diameter of the chuck ring by inserting the joint ring and thereby prevent the connection pipe from coming off. Further, it is more preferable to form the pipe joint with a one-touch joint from the viewpoint of work.
１ 主幹エア管
２・３ ループ配管
４ 吊バンド
５ エア工具
６ エアホース
７ エア出力用チーズ
７ａ 分岐部
７ｂ 吊下部
７ｃ 円筒部
７ｄ 水の通路
DESCRIPTION OF SYMBOLS 1 Main air pipe 2.3 Loop pipe 4 Suspension band 5 Air tool 6 Air hose 7 Air output cheese 7a Branch part 7b Hanging part 7c Cylindrical part 7d Water passage
Claims (1)
このエア流入部は、その上面が継手間の流路の中心よりも下方に位置する突出量とし、さらに、その左右に前記上面からの深さが前記突出量よりも小さい浅溝からなる水の通路を確保してなり、前記水の通路によって前記エア流入部の一次側に停留した水を圧縮エアと共に二次側に飛散可能とし、さらに前記分岐部とは反対側外面に吊下部を設けたことを特徴とする圧縮エア分岐用チーズ。 A cheese provided with a pipe joint on the primary side and the secondary side, and provided with a branch portion for branching a flow path between the joints and distributing compressed air, wherein the cheese is coaxial with the inside of the flow path from the branch portion side. Providing an air inflow portion projecting halfway through the flow path above,
The air inflow portion has a protruding amount whose upper surface is located lower than the center of the flow path between the joints, and further includes a shallow groove formed on the left and right sides with a depth from the upper surface smaller than the protruding amount. A passage is secured, so that the water retained on the primary side of the air inflow portion by the water passage can be scattered to the secondary side together with compressed air, and a hanging portion is provided on the outer surface opposite to the branch portion. A compressed air branching cheese, characterized in that:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014113067A JP6663158B2 (en) | 2014-05-30 | 2014-05-30 | Cheese for compressed air branching |
| KR1020140101501A KR102225550B1 (en) | 2014-05-30 | 2014-08-07 | Mechanical joint for compressed air branching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014113067A JP6663158B2 (en) | 2014-05-30 | 2014-05-30 | Cheese for compressed air branching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2015227685A JP2015227685A (en) | 2015-12-17 |
| JP6663158B2 true JP6663158B2 (en) | 2020-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014113067A Active JP6663158B2 (en) | 2014-05-30 | 2014-05-30 | Cheese for compressed air branching |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6663158B2 (en) |
| KR (1) | KR102225550B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6502620B2 (en) * | 2014-05-30 | 2019-04-17 | 株式会社タブチ | Suspension type air piping |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9512513D0 (en) * | 1995-06-20 | 1995-08-23 | Guest John D | Improvements in or relating to T-connectors |
| JP2007277989A (en) * | 2006-04-10 | 2007-10-25 | Maezawa Kyuso Industries Co Ltd | Method of replacing meter for water service and joint for adjusting meter for water service |
| JP2012159175A (en) * | 2011-02-02 | 2012-08-23 | Bridgestone Corp | Pipe joint |
-
2014
- 2014-05-30 JP JP2014113067A patent/JP6663158B2/en active Active
- 2014-08-07 KR KR1020140101501A patent/KR102225550B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| KR20150137937A (en) | 2015-12-09 |
| KR102225550B1 (en) | 2021-03-08 |
| JP2015227685A (en) | 2015-12-17 |
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